Home / 4,116.20-6,174.30-3,630.20

Finding the Fourth Proportional to 4,116.20, 6,174.30 and 3,630.20

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Solution

The fourth proportional to 4,116.20, 6,174.30 and 3,630.20 is: 5,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.20 : 6,174.30 = 3,630.20 : x
  2. Step 2: Convert to fraction form
    4,116.20/6,174.30 = 3,630.20/x
  3. Step 3: Cross multiply
    4,116.20x = 6,174.30 × 3,630.20
  4. Step 4: Simplify right side
    4,116.20x = 22,413,943.86
  5. Step 5: Solve for x
    x = 22,413,943.86/4,116.20
  6. Step 6: Final answer
    x = 5,445.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.